import { Link, useNavigate } from 'react-router-dom'
import { Card, Breadcrumb, Form, Button, Radio, DatePicker, Select, Popconfirm } from 'antd'
// 汉化包 时间选择器显示中文
import locale from 'antd/es/date-picker/locale/zh_CN'

// 导入资源
import { Table, Tag, Space } from 'antd'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'
import img404 from '@/assets/error.png'
import { useChannel } from "@/hooks/useChannel";
import { useEffect, useState } from "react";
import {delArticleAPI, getArticleListAPI} from "@/apis/article";

const { Option } = Select
const { RangePicker } = DatePicker

const Article = () => {
  const navigate = useNavigate()
  // 通过自定义hooks获取频道数据
  const { channelList } = useChannel()

  let status = {
    1: <Tag color="warning">待审核</Tag>,
    2: <Tag color="success">审核通过</Tag>
  }
  // 准备列数据
  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      width: 120,
      render: cover => {
        return <img src={cover.images[0] || img404} width={80} height={60} alt="" />
      }
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220
    },
    {
      title: '状态',
      dataIndex: 'status',
      // data -后端返回的状态status  1 => 待审核， 2 => 审核通过    状态少用三元运算符，，状态比较多用：数组枚举
      //render: data => data === 1 ? <Tag color="warning">待审核</Tag> : <Tag color="success">审核通过</Tag>
      render: data => status[data]
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate'
    },
    {
      title: '阅读数',
      dataIndex: 'read_count'
    },
    {
      title: '评论数',
      dataIndex: 'comment_count'
    },
    {
      title: '点赞数',
      dataIndex: 'like_count'
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button type="primary" shape="circle" icon={<EditOutlined />} onClick={() => navigate(`/publish?id=${data.id}`)} />
            <Popconfirm
              title="删除文章" description="确定要删除当前文章吗?"
              onConfirm={() => onConfirm(data)}
              okText="Yes"
              cancelText="No">
              <Button
                type="primary"
                danger
                shape="circle"
                icon={<DeleteOutlined />}
              />
            </Popconfirm>

          </Space>
        )
      }
    }
  ]
  // 准备表格body数据
  const data = [
    {
      id: '8218',
      comment_count: 0,
      cover: {
        images: [],
      },
      like_count: 0,
      pubdate: '2019-03-11 09:00:00',
      read_count: 2,
      status: 2,
      title: 'wkwebview离线化加载h5资源解决方案'
    }
  ]

  // 3. 筛选功能
  // 3.1 设置请求参数
  const [reqData, setReqData] = useState({
    status: '',
    channel_id: '',
    begin_pubdate: '',
    end_pubdate: '',
    page: 1,
    per_page: 4
  })

  // 获取文章列表
  const [list, setList] = useState([])
  const [count, setCount] = useState(0)
  useEffect(() => {
    async function getList () {
      let res = await getArticleListAPI(reqData)
      setList(res.data.results)
      setCount(res.data.total_count)
    }
    getList()
  }, [reqData]);


  // 3.2 获取筛选数据
  const onFinish = (formValue) => {
    console.dir(formValue)
    // 3.3 收集表单数据, 并将其放到请求参数中
    try {
      setReqData({
        ...reqData,
        channel_id: formValue.channel_id,
        status: formValue.status,
        begin_pubdate: formValue?.date[0].format('YYYY-MM-DD'),
        end_pubdate: formValue?.date[1].format('YYYY-MM-DD'),
      })
    } catch (e) {
      console.log(e)
    }
    // 重新获取文章列表
    // getArticleListAPI(reqData)参数改变，上面获取文章的函数依赖项发生变化，会自动执行副作用函数（重新获取数据）
  }

  // 4. 分页查询展示
  const onPageChange = (page) => {
    console.log(page)
    // 修改参数依赖项reqData，引发数据的重新获取渲染
    setReqData({
      ...reqData,
      page: page
    })
  }

  // 5. 删除
  const onConfirm = async (data) => {
    console.log('删除文章', data.id)
    await delArticleAPI(data.id)
    setReqData({
      ...reqData
    })
  }
  return (
    <div>
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: '文章列表' },
          ]} />
        }
        style={{ marginBottom: 20 }}
      >
        <Form initialValues={{ status: '' }} onFinish={onFinish}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={''}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={2}>审核通过</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Select
              placeholder="请选择文章频道"
              style={{ width: 120 }}
            >
              { channelList.map(item => <Option value={item.id} key={item.id}>{item.name}</Option>)}
            </Select>
          </Form.Item>

          <Form.Item label="日期" name="date">
            {/* 传入locale属性 控制中文显示*/}
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit" style={{ marginLeft: 40 }}>
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>
      {/*   表格区域  */}
      <Card title={`根据筛选条件共查询到 ${count} 条结果：`}>
        <Table rowKey="id" columns={columns} dataSource={list} pagination={{ total: count, pageSize: reqData.per_page, onChange: onPageChange } } />
      </Card>
    </div>
  )
}

export default Article